000 FZNT24 KNHC 050916 OFFNT4 Offshore Waters Forecast for the Gulf of Mexico NWS National Hurricane Center Miami, FL 516 AM EDT Tue Sep 5 2017 Offshore Waters Forecast for the Gulf of Mexico Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. GMZ001-052130- Synopsis for the Gulf of Mexico 516 AM EDT Tue Sep 5 2017 .SYNOPSIS...A surface low has developed near 21.5N96W 1012 mb and is along a low level NNW to SSE orientated trough across the W-Central and SW Gulf waters. The low is expected to drift SE along the trough through Thu and then meander, possibly developing into a tropical cyclone. A weak cold front will sink SE across the NW and N Gulf Thu through Fri then drift NW Sat. Hurricane Irma is forecast to approach the Straits of Florida Fri night, and reach near 24.0N 81.0W Sat night as a major hurricane. $$ GMZ011-052130- NW Gulf including Stetson Bank- 516 AM EDT Tue Sep 5 2017 .TODAY...NE to E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED...NE winds 5 to 10 kt,increasing to 15 to 20 kt in the afternoon. Seas 2 ft or less, building to 3 ft in the afternoon. Scattered showers and isolated thunderstorms. .WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 5 ft. Scattered showers and isolated thunderstorms. .THU...NE winds 20 to 25 kt. Seas 6 ft. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 7 ft. .FRI...NE to E winds 20 to 25 kt. Seas 6 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 6 ft. .SAT...NE to E winds 15 to 20 kt. Seas 5 to 6 ft. $$ GMZ013-052130- N Central Gulf including Flower Garden Banks Marine Sanctuary- 516 AM EDT Tue Sep 5 2017 .TODAY...E to SE winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED...W of 90W, NE winds 5 to 10 kt,increasing to 15 to 20 kt in the afternoon. Elsewhere, N winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED NIGHT...W of 90W, NE winds 20 to 25 kt. Seas 3 ft, building to 6 ft late. Elsewhere, N winds 5 to 10 kt, becoming N to NE 15 to 20 kt late,Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU...NE to E winds 20 to 25 kt. Seas 6 ft. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 6 ft. .FRI...NE to E winds 20 to 25 kt. Seas 6 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 5 ft. .SAT...NE winds 15 to 20 kt. Seas 5 to 6 ft. $$ GMZ015-052130- NE Gulf N of 25N E of 87W- 516 AM EDT Tue Sep 5 2017 .TODAY...NE to E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...N to NE winds 5 to 10 kt. Seas 2 ft or less. .WED...NE winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED NIGHT...S of 27N, NE winds 5 to 10 kt. Elsewhere, NW winds 5 to 10 kt,becoming N 15 to 20 kt late. Seas 2 ft or less. .THU...NE winds 10 to 15 kt S of 27N, and NE 15 to 20 kt elsewhere. Seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...NE winds 15 to 20 kt. Seas 4 ft. .FRI...NE winds 15 to 20 kt. Seas 4 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...HURRICANE CONDITIONS POSSIBLE. $$ GMZ017-052130- W Central Gulf from 22N to 26N W of 94W- 516 AM EDT Tue Sep 5 2017 .TODAY...E winds 15 to 20 kt. Seas 4 ft. Scattered showers and isolated thunderstorms. .TONIGHT...NE to E winds 15 to 20 kt. Seas 4 ft. Scattered showers and isolated thunderstorms. .WED...N to NE winds 20 to 25 kt W of 96W, and NE to E 10 to 15 kt elsewhere. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...NE winds 20 to 25 kt. Seas 6 ft. Scattered showers and isolated thunderstorms. .THU...NE winds 20 to 25 kt. Seas 4 to 8 ft. .THU NIGHT...NE winds 20 to 25 kt. Seas 8 ft. .FRI...NE to E winds 15 to 20 kt. Seas 5 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 5 ft. .SAT...NE winds 15 to 20 kt. Seas 5 ft. $$ GMZ019-052130- Central Gulf from 22N to 26N between 87W and 94W- 516 AM EDT Tue Sep 5 2017 .TODAY...E to SE winds 15 to 20 kt. Seas 3 ft. Scattered showers and isolated thunderstorms. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED...E to SE winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 4 ft. .FRI...E winds 15 to 20 kt. Seas 5 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 5 ft. .SAT...NE winds 15 to 20 kt. Seas 5 ft. $$ GMZ021-052130- E Gulf from 22N to 25N E of 87W including Straits of Florida- 516 AM EDT Tue Sep 5 2017 .TODAY...E winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .WED...E winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU...NE to E winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft late. .FRI...NE winds 15 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. .SAT...HURRICANE CONDITIONS POSSIBLE. $$ GMZ023-052130- SW Gulf S of 22N W of 94W- 516 AM EDT Tue Sep 5 2017 .TODAY...SW to W winds 15 to 20 kt. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .TONIGHT...E to SE winds 15 to 20 kt. Seas 3 ft. Scattered showers and isolated thunderstorms. .WED...SW winds 15 to 20 kt, shifting to W in the afternoon. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .WED NIGHT...NW winds 20 to 25 kt. Seas 5 ft. Scattered showers and isolated thunderstorms. .THU...NW winds 20 to 25 kt. Seas 5 ft. .THU NIGHT...NW to N winds 25 to 30 kt. Seas 6 ft. .FRI...NW winds 20 to 25 kt. Seas 5 ft. .FRI NIGHT...NW to N winds 20 to 25 kt. Seas 6 ft. .SAT...NW to N winds 15 to 20 kt. Seas 5 ft. $$ GMZ025-052130- E Bay of Campeche including Campeche Bank- 516 AM EDT Tue Sep 5 2017 .TODAY...SE winds 15 to 20 kt. Seas 3 to 4 ft. Scattered showers and isolated thunderstorms. .TONIGHT...NE to E winds 10 to 15 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. Scattered showers and isolated thunderstorms. .WED...SE to S winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. Scattered showers and isolated thunderstorms. .WED NIGHT...N to NE winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU...E to SE winds 15 to 20 kt. Seas 3 ft. .THU NIGHT...N to NE winds 15 to 20 kt. Seas 4 ft. .FRI...NE to E winds 10 to 15 kt. Seas 4 ft. .FRI NIGHT...N to NE winds 15 to 20 kt. Seas 4 ft. .SAT...N to NE winds 10 to 15 kt. Seas 4 ft. $$ Forecaster Stripling